[3083joe]

3x 6BL7 per 6AS7 socket adapter for Glenn amps (and others) is ready:

http://www.ebay.com/itm/1pc-Gold-plated-tube-converter-adapter-for-3-6BL7-instead-6AS7-6080-/201533519050

Note that she also lets you select:

Rotate-able or fixed
and
Internal or External heat

Looks like she has all the bases covered

Enjoy!




.

Thanks for this, but what does the internal or external heat mean (I have a wa22)
Tia

 

[JazzVinyl]

Thanks for this, but what does the internal or external heat mean (I have a wa22)
Tia

The 6BL7 tube consumes 1.5 amps of current, per tube.

Run (2) 6BL7's per 6as7 socket (assume you have 2) and you are at 6 amps of current draw
Run (3) 6BL7's per 6as7 socket (assume you have 2) and you are at 9 amps of current draw

6 and 9 amps of current draw, could put you over the limit of what your amps' transformer is designed to deliver.

Internal heat means pins 7 and 8 are connected and your amps' transformer will deliver the heater current.

External heat means pins 7 and 8 are not connected, and you are provided wires to use an external
transformer to deliver the current to heat the 6BL7's.

Do NOT run internally heated multiple 6BL7's in place of a 6AS7, unless you know what your amps' current draw
limitations are.

You could burn up your transformer, and be very unhappy.






.

 

[whirlwind]

I just ordered two adapters and I bought my six 6BL7's a couple of days ago...so now just the wait for it all to arrive.

 

[Rossliew]

3x 6BL7 per 6AS7 socket adapter for Glenn amps (and others) is ready:

http://www.ebay.com/itm/1pc-Gold-plated-tube-converter-adapter-for-3-6BL7-instead-6AS7-6080-/201533519050

Note that she also lets you select:

Rotate-able or fixed
and
Internal or External heat

Looks like she has all the bases covered

Enjoy!




.

For Glenn OTL, is the internally heated adapter sufficient ?

 

[whirlwind]

 

3x 6BL7 per 6AS7 socket adapter for Glenn amps (and others) is ready:

http://www.ebay.com/itm/1pc-Gold-plated-tube-converter-adapter-for-3-6BL7-instead-6AS7-6080-/201533519050

Note that she also lets you select:

Rotate-able or fixed
and
Internal or External heat

Looks like she has all the bases covered

Enjoy!

.

For Glenn OTL, is the internally heated adapter sufficient ?

For my Glenn OTL it is, probably so for yours too, but best check with Glenn, just to be sure.

 

[gibosi]

For Glenn OTL, is the internally heated adapter sufficient ?

 
If your OTL can handle a pair of 6336, then it is more than sufficient.

 

[Rossliew]

For my Glenn OTL it is, probably so for yours too, but best check with Glenn, just to be sure.

Thanks

If your OTL can handle a pair of 6336, then it is more than sufficient.

Mine allows it to run 5998 tubes, will that suffice?

 

[JazzVinyl]

Thanks
Mine allows it to run 5998 tubes, will that suffice?

You really need to ask Glenn. Not having enough juice and running 3x of these tubes can wreck your Transformer.

I predict you will be okay, but lets ask Glenn to be absolutely certain.

 

[gibosi]

Mine allows it to run 5998 tubes, will that suffice?

 
This is the picture you sent me. The amp you are getting has the same transformer as mine, so it can handle a pair of 6336 or six 6BL7. No problem.
 

 

[gibosi]

  In my experience the flat plate was a bit more resolving but had a slightly more nasal tone.  I'd like to hear your impression of the 6BX7 gibosi, assuming you are planning to try it.  I think it's a better tube than the 6BL7 in the application I have heard it in.  Really, really great tone and more nuanced sounding.  Dunno how it's been flying under the radar all this time.

 
Today, received four three-mica Sylvania 6BX7GT manufactured in the late 1950's to early 1960's. And yes indeed, the difference in tone compared to the Sylvania flat-plate 6BL7GT is immediately noticeable, and for the better, I think. Listening with a pair of the older embossed Siemens C3g as drivers, Melody Gardot sounds pretty terrific. But I've had only about 30 minutes with them so it's too soon to be able say anything more....

 

[Rossliew]

This is the picture you sent me. The amp you are getting has the same transformer as mine, so it can handle a pair of 6336 or six 6BL7. No problem.

Thanks sir!

 

[JazzVinyl]

I am running 4x 6BX7's tonight as well. Agree that these are terrific sounding tubes. My driver tonight is Ken Rad VT231, they pair superbly with the 6BX7's...

Cheers!

 

[JazzVinyl]

Why does this amp have the tall socket adapters on it? Just to get the heat off the deck?

 

[Rossliew]

Why does this amp have the tall socket adapters on it? Just to get the heat off the deck?

Lol I have to ask the previous owner..

 

[JoelT]

I've been enjoying my amp driving modded HD650's this evening. Tubes being used are 4 GEC 6080's on the outputs via adapters, driver is a National Union 6F8G and a Western Electric 422A rectifier. This is probably the best I've heard this headphone. Improved imaging and separation were immediately apparent compared to running 2 6080's, stage became deeper and more 3D. Furthermore, the entire spectrum is tighter and more resolved while still retaining that wonderful liquidity and tasteful warmth. Absolutely lovely.
 
There are screws on the corners of the adapters that stick up a bit too far, which is causing the tubes to slightly lean in the sockets. I'll need to address that.